Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20240221-en
General
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Target
tmp
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Size
3.1MB
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MD5
bdb26945bc93657af757183703e55479
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SHA1
51a1841c037523d738e56a584b646424530a24ba
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SHA256
c91ccb6f24c0a51bac8c3608ef4964bb09b3b0275277e79476a4cf7a462bacd3
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SHA512
cb247e0d5907279295f0e04211498effaa3c8db73baedfee2dcaf58ae5767f6f221f00bb745dd1affbcdbf89f4a796f0952224f15655d70a6c750490f176da53
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SSDEEP
49152:6vYt62XlaSFNWPjljiFa2RoUYI0IRJ6zbR3LoGdSjTHHB72eh2NT:6v062XlaSFNWPjljiFXRoUYI0IRJ6l
Malware Config
Extracted
quasar
1.4.1
Office04
185.196.10.233:4782
b0fcdfbd-bdd4-4a5d-8ab1-7217539d4db6
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encryption_key
0EC03133971030F6D05E6D59F71626F6543BBE65
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install_name
gfdgfdg.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
fgfdhdgg
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subdirectory
gfgfgf
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource tmp
Files
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tmp.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ